1、Support mobile phone wireless screen projection. 2、Passive reflective light: protect the eyes, more user friendly. 3、Vertical ±15 degree trapezoidal correction: Convenient to use. 4、HD interface input: USB flash drive can be read by inserting into the interface. 5、Designed with 2 U disk interfaces: More durable and serve longer. Features: Support mobile phone wireless screen projection.  Passive reflective light: protect the eyes, more user friendly. Vertical ±15 degree trapezoidal correction: Convenient to use. HD interface input: USB flash drive can be read by inserting into the interface. Designed with 2 U disk interfaces: More durable and serve longer.   Specification: Resolution: 800*480 Compatible resolution: 1080P Brightness: 2000 Lumens Contrast ratio: 2000:1 Keystone correction: ±15 degrees vertical, manual Projection method: front projection Aspect ratio: 16:9/4:3 Screen size: 56"-100" Projection distance: 1.6M- 3.1M / 5.2- 10.2 ft Operating system: none Support voice: Chinese, English, French, German, Spanish, and multi-language menus Screen projection technology: support (for IOS / Android) wireless screen projection Speaker: built-in speaker Cooling system: Yes Remote control: support infrared remote control Interface parameters: HD*1, USB*2, AV*1, RCA AUDID*1, VGA*1, LAN*0 (reserved abrasive hole) WiFi: Yes Bluetooth: None Noise: <25db Power supply voltage: 100-240V/50-60Hz Image: Support for mainstream formats Video: Support for mainstream formats Audio: Support for mainstream formats Document: TXT Plug: US Plug / EU Plug / AU Plug / UK Plug (optional)    Package List: 1* Projector 1* Remote control 1* Power cord 1* Instruction manual